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FAIR VALUE DISCLOSURES (Schedule of the Carrying Amount, Fair Value, and Placement in the Fair Value Hierarchy of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Sep. 30, 2019
Financial instruments - assets
Investment securities held to maturity	$ 30,917	$ 29,481
Fair Value, Inputs, Level 1 [Member]
Financial instruments - assets
Investment securities held to maturity
Loans
Financial instruments - liabilities
Certificates of deposit including retirement certificates
Borrowings
Fair Value, Inputs, Level 2 [Member]
Financial instruments - assets
Investment securities held to maturity	30,762	29,344
Loans
Financial instruments - liabilities
Certificates of deposit including retirement certificates	133,493	117,730
Borrowings	30,881	36,583
Fair Value, Inputs, Level 3 [Member]
Financial instruments - assets
Investment securities held to maturity
Loans	535,713	527,088
Financial instruments - liabilities
Certificates of deposit including retirement certificates
Borrowings
Carrying Value [Member]
Financial instruments - assets
Investment securities held to maturity	30,917	29,481
Loans	525,431	518,217
Financial instruments - liabilities
Certificates of deposit including retirement certificates	132,110	116,776
Borrowings	30,488	36,189
Fair Value [Member]
Financial instruments - assets
Investment securities held to maturity	30,762	29,344
Loans	535,713	527,088
Financial instruments - liabilities
Certificates of deposit including retirement certificates	133,493	117,730
Borrowings	$ 30,881	$ 36,583

X

- Definition

Amount of interest-bearing domestic certificate of deposit liabilities.

+ References

No definition available.

+ Details

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X

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

+ Details

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X

- References

No definition available.

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- References

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- Definition

Amount, before other-than-temporary impairment (OTTI) accretion, of investment in debt securities measured at amortized cost (held-to-maturity).

+ References

No definition available.

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X

- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

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